Chair



FIG. 1 is a perspective front view of the chair showing my design;

FIG. 2 is a perspective back view of the chair showing my design;

FIG. 3 is a perspective side view of the chair showing my design, the other side being identical therewith;

FIG. 4 is a perspective top view of the chair showing my design; and

FIG. 5 is a perspective bottom view of the chair showing my design. 

The ornamental design for a chair, as shown and described. 